Pandas Implementation

Let’s create a simple dataset to demonstrate the renaming process:

Python3




# Import the csv module
import csv
 
# Define the data as a list of dictionaries
data = [
    {"Name": "Alice", "Age": 12, "Gender": "F", "Grade": "A"},
    {"Name": "Bob", "Age": 13, "Gender": "M", "Grade": "B"},
    {"Name": "Charlie", "Age": 14, "Gender": "M", "Grade": "C"},
    {"Name": "David", "Age": 12, "Gender": "M", "Grade": "A"},
    {"Name": "Eve", "Age": 13, "Gender": "F", "Grade": "B"}
]
 
# Open a new csv file for writing
with open("data.csv", "w") as file:
    # Create a csv writer object
    writer = csv.DictWriter(file, fieldnames=["Name", "Age", "Gender", "Grade"])
    # Write the header row
    writer.writeheader()
    # Write the data rows
    writer.writerows(data)
 
# Close the file
file.close()


Rename column name with an index number of the CSV file in Pandas

In this blog post, we will learn how to rename the column name with an index number of the CSV file in Pandas.

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Renaming Column Name with an Index Number

Pandas, an advanced data manipulation package in Python, includes several methods for working with structured data such as CSV files. You might wish to change the automatically generated column names (0, 1, 2, etc.) to something more illustrative when using Pandas to work with CSV data. Instead of requiring users to refer to confusing default names, Pandas offers a straightforward approach for renaming columns by using the rename() function and providing the index number....

Methods to Rename Column Names

In Pandas, there are primarily two ways to rename columns:...

Pandas Column Name Concepts

Pandas will automatically assign column names (0, 1, 2…) to CSV data when loaded into a DataFrame You can view and work with these default names, but descriptive names are preferable The rename() method allows you to map new names to existing names You refer to columns using their index number (starting from 0)...

Pandas Implementation

Let’s create a simple dataset to demonstrate the renaming process:...

Using rename() function

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Using List Comprehension

Renaming a Single Column Name with an Index Number...

Conclusion

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Frequently Asked Questions

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